Alright, let's work through 70701421 times 9509229 step by step
70701421 × 9509229 = 9509229 × (70701421)
+ 9509229 × 1 producing 9509229
+ 9509229 × 20 what gives us 190184580
+ 9509229 × 400 producing 3803691600
+ 9509229 × 1000 giving us 9509229000
+ 9509229 × 00000 giving us 0
+ 9509229 × 700000 what gives us 6656460300000
+ 9509229 × 0000000 what gives us 0
+ 9509229 × 70000000 producing 665646030000000

= 672316002914409
